Nicolas Dichtel 37355565ba ip6_tunnel: fix error code when tunnel exists ... After commit 2b0bb01b6e, the kernel returns -ENOBUFS when user tries to add an existing tunnel with ioctl API: $ ip -6 tunnel add ip6tnl1 mode ip6ip6 dev eth1 add tunnel "ip6tnl0" failed: No buffer space available It's confusing, the right error is EEXIST. This patch also change a bit the code returned: - ENOBUFS -> ENOMEM - ENOENT -> ENODEV Fixes: 2b0bb01b6e ("ip6_tunnel: Return an error when adding an existing tunnel.") CC: Steffen Klassert <steffen.klassert@secunet.com> Reported-by: Pierre Cheynier <me@pierre-cheynier.net> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2015-03-17 15:01:18 -04:00
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ipv6	ip6_tunnel: fix error code when tunnel exists	2015-03-17 15:01:18 -04:00
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